(PDF) Cobalt Ferrite/Barium Titanate Core/Shell Nanoparticles
Abstract and Figures. Cobalt ferrite/barium titanate nanoparticles with a core/shell structure were synthesized by combining co-precipitation and organosol methods. The average particle size was ...
اقرأ أكثر
Multiferroic and magnetic characterization of nickel ferrite- barium
The formation of nickel ferrite and barium titanate heterogeneous composites was identified using X-ray diffraction analysis (XRD). Magnetic properties …
اقرأ أكثر
Dielectric and ferroelectric properties of X8R perovskite barium
It is the need of time to extend the range of temperature-dependent stability of barium titanate (BaTiO3) ceramics from Electronic Industries Association (EIA) X7R specifications to EIA X8R. For this purpose, barium titanate ceramics are prepared using solid state reaction mechanism. Whereas BAND tool in Amsterdam density functional …
اقرأ أكثر
Multiferroic (NiZn) Fe2O4–BaTiO3 composites prepared from nanopowders
Nickel zinc ferrite (NZF) and barium titanate (BT) were prepared by auto-combustion synthesis as an effective, simple and rapid method. Multiferroic composites with the general formula yNi 1−x Zn x Fe 2 O 4 −(1−y)BT (x=0.3, 0.5, 0.7, y=0.5) were prepared by mixing NZF and BT powders in a liquid medium in the ball mill. The FEG …
اقرأ أكثر
Positive influence of Sb doping on properties of di-phase multiferroics
Multiferroic composite materials based on antimony doped barium titanate/nickel ferrite were prepared by a mixing route. In order to obtain fine grained microstructure composite materials, pure constituent phases were prepared via chemical methods.The optimization of processing parameters has been made in order to reduce …
اقرأ أكثر
[PDF] Electromagnetic properties of multiphase composites …
@article{Fairbanks2021ElectromagneticPO, title={Electromagnetic properties of multiphase composites containing barium strontium titanate and nickel zinc ferrite inclusions from 1-4 GHz}, author={Andrew J. Fairbanks and Travis D. Crawford and Julio A. Hernandez and Jeremy D. Mateja and Xiaojun Zhu and Tyler N. Tallman and Allen L. …
اقرأ أكثر
Cobalt Ferrite/Barium Titanate Core/Shell Nanoparticles
For the composite powders both barium titanate and. Figure 2. X-ray diffraction pattern for: (a) pure cobalt ferrite nanoparticles prepared by co-precipitation method and calcined at 750 C for 15 ...
اقرأ أكثر
(PDF) Multiferroic ceramics based on barium titanate and barium ferrite
The structure and dielectric properties of barium titanate ceramics samples sintered at 1100, 1150, 1200, 1250 and 1350 °C have been compared with the dielectric properties of 80 vol.% barium ...
اقرأ أكثر
Applications of Multiferroics | SpringerLink
Multiferroic nanoparticles can be prepared using a number of chemical techniques. ... A single-crystal of yttrium iron garnet film and barium strontium titanate slab is taken into consideration for making the bilayer and the electrical tunability of the differential phase shift is accomplished by passing a voltage across the barium strontium ...
اقرأ أكثر
Construction and characterization of nano-oval BaTi
Figure 9 shows the magnetic hysteresis loop of iron barium titanate shielded with nickel ferrite (nano-oval BaTi 0.7 Fe 0.3 O 3 shielded (0.1, 0.2, 0.5) NiFe 2 O 4) nanocomposites. The M–H curve ...
اقرأ أكثر
(PDF) Synthesis and Characterization of Nickel Ferrite …
Room temperature x-ray diffraction patterns for the cobalt ferrite and barium titanate starting phase, as well as for the composites with 20 anf 40 wt.% of nickel ferrite.
اقرأ أكثر
Ferrite bismuth-based nanomaterials: From ferroelectric and
1. Introduction. Bismuth ferrite (BiFeO 3, short for BFO) is an inorganic compound with an ABO 3 perovskite structure. It exhibits ferroelectric and antiferromagnetic properties, making it a rare room-temperature multiferroic material [1].Since the multiferroic nature of BiFeO 3 was confirmed in 2003, it has attracted widespread …
اقرأ أكثر
Structural, electrical, and magnetic study of La-, Eu-, and Er
In this work, the multiferroic bismuth ferrite materials Bi 0.9 RE 0.1 FeO 3 doped by rare-earth (RE = La, Eu, and Er) elements were obtained by the solution combustion synthesis. Structure ...
اقرأ أكثر
Lead-Free Multiferroic Barium-Calcium Zirconate-Titanate
also seems expedient to dope ferrite with small additions of copper oxide, which reduces the sintering temperature and improves the MS characteristics of nickel ferrite. 2. Experimental Nickel ferrite NiCo0.02Cu0.02Mn0.1Fe1.8O 4 d (NCCMF) and barium-calcium zirconate-titanate Ba0.85Ca0.15Ti0.9Zr0.1O3 (BCZT) were synthesized …
اقرأ أكثر
Multiferroic effects in MFe2O4/BaTiO3 (M = Mn, Co, Ni, Zn
Magnetic and magnetoelectric response of Gd doped nickel ferrite and barium titanate nanocomposites. Tripta Parida Amritesh ... Lead Zirconate Titanate [Pb(Zr0.52Ti0.48)O3/PZT] and Cobalt Ferrite [CoFe2O4/CFO] based multiferroic composites [(1-x ... magnetic Ni0.5Zn0.5Fe2O4 (NZFO) nanoparticles (in the size range …
اقرأ أكثر
Enhancement of magneto-dielectric properties of BaTiO3
The lattice constant of Pr-doped barium titanate (BTO) was found to be smaller than the pure barium titanate (BT) phase because of smaller radius of Pr 3+ ion compared to barium (Ba 2+) ion. Similarly, that of Pr-doped NiFe 2 O 4 (NFO) was also found to be smaller than pure nickel ferrite (NF) phase because of small size of Pr 3+ …
اقرأ أكثر
QWKHVLVRI1L)H 2 QDQRSDUWLFOHVXVLQJ
Nanocomposite Nickel Ferrite and Barium Titanate Compounds S. Mahalakshmi, S. Swetha, S. Nithiyanatham et al.-Ammonia gas sensing performance of nickel ferrite nanoparticles Rajesh Kashyap, Ravi Kumar, Sarita Devi et al.-This content was downloaded from IP address 207.46.13.140 on 20/12/2022 at 23:03
اقرأ أكثر
A comprehensive study on structure, properties, synthesis and
The article covers the background, properties, classification schemes, synthesis and characterization of ferrites. It focuses on a comparative understanding of four synthesis routes, magnetic properties and characterization of the ferrites. The article emphases X-ray diffraction, scanning electron microscopy, transmission electron …
اقرأ أكثر
Effect of rare earth substitution on properties of barium strontium
This investigation provides a comprehensive study on effect of substitution of Dy 3+, Gd 3+, Sm 3+ ions on various properties of barium strontium titanate (Ba 0.95 Sr 0.05 TiO 3) as well as that of its multiferroic composite with …
اقرأ أكثر
Lead-Free Multiferroic Barium-Calcium Zirconate-Titanate & Doped Nickel
In recent years, the attention of particular researchers has been attracted by lead-free multiferroic compositions, both single-phase (for example, bismuth ferrite and solid solutions based on it and related systems, [9,10,11,12]) and heterogeneous [13,14,15,16] (particularly, ME composites based on barium-calcium titanate-zirconate …
اقرأ أكثر
Tutorial: Product properties in multiferroic nanocomposites
Several multiferroic layered composite systems were studied in the past two decades. 6–16 Materials used for the ferromagnetic phases include 3d-transition metals Fe, Co, and Ni and alloys such as permendur, Terfenol-D, Galfenol, spinel ferrites, hexagonal M-, Y-, and Z-type ferrites, and lanthanum manganites. The ferroelectric phases used in the …
اقرأ أكثر
Barium titanate at the nanoscale: controlled synthesis …
The current trend in the miniaturization of electronic devices has driven the investigation into many nanostructured materials. The ferroelectric material barium titanate (BaTiO 3) has garnered …
اقرأ أكثر
Structural, optical, dielectric, and multiferroic properties of sodium
This report presents the synthesis of pristine barium calcium titanate (BCT) and composite samples of [x(HA)–100 − x(BCT)]; (0 ≤ x ≤ 20) through solid-state reaction with microwave sintering.
اقرأ أكثر
Microstructural, dielectric and magnetic properties of multiferroic
@article{osti_22391699, title = {Microstructural, dielectric and magnetic properties of multiferroic composite system barium strontium titanate – nickel cobalt ferrite}, author = {Pahuja, Poonam and Tandon, R. P., E-mail: ram-tandon@hotmail}, abstractNote = {Multiferroic composites (1-x) Ba{sub 0.95}Sr{sub 0.05}TiO{sub 3} + (x) …
اقرأ أكثر
Improved antimicrobial and antibiofilm efficacy of adaptable
Figure 4 depicts the FT-IR analysis of iron barium titanate nanoparticles and iron barium titanate coated with nickel ferrite, conducted at room temperature within the wavenumber range of 4000–400 cm −1. This analysis was essential for identifying the presence of key functional groups, aiding in the detection of reaction mechanisms.
اقرأ أكثر
High frequency magneto-dielectric effects in self-assembled ferrite
Tools. Magneto-dielectric effects in self-assembled core-shell nanoparticles of nickel ferrite (NFO) and barium titanate (BTO) have been investigated in the …
اقرأ أكثر
Synthesis of cobalt ferrite nanoparticles via electrospraying into a
Methods that allow for high-throughput synthesis of magnetic nanoparticles are necessary to more feasibly fabricate materials for real-world applications. To accomplish this, in this article, we describe a versatile electrospray-based synthesis method for the synthesis of magnetic cobalt ferrite nanoparticles. This method has the potential to be …
اقرأ أكثر
Magnetic and Dielectric Study of Ceramic Nanocomposite …
addition of Barium Titanate in obtaining multiferroic material. Both the curves show a thin hysteresis loop thus revealing a soft magnetic behavior due to the …
اقرأ أكثر
Novel Method of Synthesis of Multiferroic Nickel Cobalt Ferrite–Barium
Multiferroic composites have been prepared by submerging of barium strontium titanate (Ba0.95Sr0.05TiO3) (BST) pellets (sintered at different temperatures) in nickel cobalt ferrite (Ni0.8Co0 ...
اقرأ أكثر
Effect of rare earth substitution on properties of barium strontium
@article{Pahuja2014EffectOR, title={Effect of rare earth substitution on properties of barium strontium titanate ceramic and its multiferroic composite with nickel cobalt ferrite}, author={Poonam Pahuja and Ravinder Kumar Kotnala and Ram Pal Tandon}, journal={Journal of Alloys and Compounds}, year={2014}, volume={617}, …
اقرأ أكثر